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Troubleshooting for LED Blinking ( only DX900 : 11 time blink )
LED blinks
11
If one of the fan does not work, Fan_SOS signal will go high level and be detected by IC8001
LED blinks 11 times.
only DX9** series
16V
From P BOARD
Detail error
Fan_SOS
Before shutdown,
are all fans stopped?
(all stopped)
No
(only one fan is stopped)
Stopped fan
A08
Fan_Vcc
1
3
F15V
5
A02
A board
Yes
.. Fan x6 ..
( all fan output low
IC5901
A
DC/DC
Board may defect
Fan/A
(Low=Normal)
IC8000
Fan_SOS
11 Blink
signal Low )
= Normal
48
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